Color Filter Patents (Class 349/106)
  • Patent number: 11502278
    Abstract: Disclosed herein is a display device including a plurality of light emitting portions arranged in a form of a matrix, a sealing layer disposed on the plurality of light emitting portions, a light shielding layer disposed in a gap between the light emitting portions adjacent to each other in a row direction on the sealing layer and extending in a column direction, a transparent partition wall layer disposed on the light shielding layer and extending in the column direction, and a color filter disposed in a gap in the light shielding layer and the transparent partition wall layer on the sealing layer.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: November 15, 2022
    Assignee: JOLED INC.
    Inventor: Kenichi Matsuoka
  • Patent number: 11495647
    Abstract: Disclosed herein is a display substrate of a display panel, comprising: a support; a second layer on the support; a window extending through the second layer and optically coupled with an image sensor; and a sidewall at least partially surrounding the window; wherein the sidewall is configured to attenuate transmission of light through the sidewall.
    Type: Grant
    Filed: February 2, 2019
    Date of Patent: November 8, 2022
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Yonglin Guo, Tingliang Liu, Kai Zhang, Yuan Yao, Yi Zhang
  • Patent number: 11489134
    Abstract: An organic light-emitting display device and method of manufacturing the same are provided. An organic light-emitting display device includes: a substrate, an organic light-emitting device on the substrate, an encapsulation layer on the substrate and the organic light-emitting device, the encapsulation layer covering the organic light-emitting device, the encapsulation layer including an encapsulation hole, a black matrix covering the encapsulation layer, the black matrix including a black matrix hole over the encapsulation hole, and a color filter in the encapsulation hole and the black matrix hole.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: November 1, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: YongBaek Lee, Ho-Jin Kim, Goeun Jung, Dongyoung Kim
  • Patent number: 11474401
    Abstract: A display panel and a fabrication method thereof, and a display apparatus are provided. The display panel includes: a base substrate, and a display region and a non-display region on the base substrate. The display region has a special shaped boundary, and includes: a plurality of display pixels and transition pixels; the transition pixels are provided between the display pixels and the special-shaped boundary; each of the display pixels and each of the transition pixels respectively include: a first electrode and a second electrode. An area of each of the first electrodes of the transition pixels is different from an area of each of the first electrodes of the display pixels; and/or, an area of each of the second electrodes of the transition pixels is different from an area of each of the second electrodes of the display pixel.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: October 18, 2022
    Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Zhaoke Zhang, Bing Wang, Kun Wang, Jun Hong
  • Patent number: 11467465
    Abstract: A reflective display apparatus including a reflective display portion which is two-dimensionally divided into pixels each having subpixels and changes reflectance of each subpixel based on an image signal, and colored layers facing the reflective display portion and partially overlapping the pixels as viewed in a facing direction in which the colored layers face the reflective display portion. The colored layers include traversing colored layers that overlap more than one of the subpixels as viewed in the facing direction, and the colored layers are positioned such that at most one of the colored layers overlaps one of the subpixels as viewed in the facing direction.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: October 11, 2022
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Tomoko Tsuruda, Mamoru Ishizaki
  • Patent number: 11460735
    Abstract: Provided are a display panel and a preparation method thereof, and a display apparatus. The display panel includes a first substrate and a second substrate which are aligned and combined into a cell, wherein the first substrate includes a backlight structure layer and an array structure layer arranged on a side of the backlight structure layer facing the second substrate, the backlight structure layer includes a light guide plate, a grating layer arranged on a side of the light guide plate facing the array structure layer and a refractive layer covering the grating layer, the grating layer includes a plurality of grating units, the array structure layer includes a plurality of pixel electrodes, and the grating units are in one-to-one correspondence with the pixel electrodes.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: October 4, 2022
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventors: Liwen Dong, Qi Yao, Guangcai Yuan, Feng Zhang, Zhijun Lv, Wenqu Liu, Zhao Cui, Xiaoxin Song, Detian Meng
  • Patent number: 11428994
    Abstract: A substrate having a spacer formed thereon, a method of making the same, and an optical device including the same are disclosed herein. In one embodiment, a substrate includes a base layer, and a black column spacer formed on the base layer, wherein the black column spacer has an optical density in a range of 1.1 to 4, and wherein the black column spacer having a curved portion, wherein a cross section of the curved portion having at least one region having curvature.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: August 30, 2022
    Inventors: Cheol Ock Song, Ji Young Hwang, Han Min Seo, Sung Eun Park, Nam Seok Bae, Seung Heon Lee, Jung Sun You
  • Patent number: 11415829
    Abstract: The present invention discloses a liquid crystal display panel and a liquid crystal display device. The liquid crystal display panel comprises a first substrate and a second substrate. A first underlay substrate of the first substrate is disposed with an optical sensor. Sensing transistors of the optical sensor includes a first semiconductor. A color filter layer is disposed between the first semiconductor and the first underlay substrate. The color filter layer includes color resist blocks and a light shielding portion. an orthographic projection of the light shielding portion on the first underlay substrate covers an orthographic projection of the first semiconductor on the first underlay substrate.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: August 16, 2022
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Bao Zha, Miao Jiang, Jiangbo Yao, Lixuan Chen, Xin Zhang
  • Patent number: 11409126
    Abstract: The present disclosure is related to a display panel. The display panel may include a plurality of pixel units. Each of the plurality of pixel units may include a first pixel unit or a second pixel unit. The first pixel unit may include a first light adjusting structure configured to adjust an angle of light that transmits through the first light adjusting structure. The second pixel unit may include a second light adjusting structure configured to adjust an angle of light that transmits through the second light adjusting structure. A plurality of first pixel units may be configured to display a left-eye image. A plurality of second pixel units may be configured to display a right-eye image.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: August 9, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhongxiao Li, Xue Dong, Xiaochuan Chen, Wenqing Zhao, Jinye Zhu, Chenyu Chen
  • Patent number: 11404491
    Abstract: A display panel and a method of manufacturing the same are provided. The method includes: forming a color filter layer on a glass substrate, the color filter layer including a plurality of color resist matrices having a plurality of colors; forming a black matrix layer between the color resist matrices having the plurality of colors, the black matrix layer including a plurality of black matrices, wherein the black matrices have electrical conductivity, and a position of the black matrices corresponds to a position of a transparent electrode. In the above manner, uniformity of light emission of the display panel can be effectively improved.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: August 2, 2022
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Xianglong Li
  • Patent number: 11402719
    Abstract: An electro-optic display includes a first light-transmissive electrode, a layer of an electro-optic medium capable of being switched between an open state and a closed state upon application of an electric field, a second light-transmissive electrode, and a layer having a plurality of retro-reflectors.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: August 2, 2022
    Assignee: E Ink Corporation
    Inventors: Timothy G Adams, Jose Hernandez
  • Patent number: 11398526
    Abstract: The present disclosure relates to a solid-state imaging device that can achieve a high S/N ratio at a high sensitivity level without any decrease in resolution, and to an electronic apparatus. In the upper layer, the respective pixels of a photoelectric conversion unit that absorbs light of a first wavelength are tilted at approximately 45 degrees with respect to a square pixel array, and are two-dimensionally arranged in horizontal directions and vertical directions in an oblique array. The respective pixels of a photoelectric conversion unit that is sensitive to light of a second or third wavelength are arranged under the first photoelectric conversion unit. That is, pixels that are ?2 times as large in size (twice as large in area) and are rotated 45 degrees are arranged in an oblique array. The present disclosure can be applied to solid-state imaging devices that are used in imaging apparatuses, for example.
    Type: Grant
    Filed: April 6, 2020
    Date of Patent: July 26, 2022
    Assignee: Sony Semiconductor Solutions Corporation
    Inventor: Atsushi Toda
  • Patent number: 11391980
    Abstract: A display panel, a manufacturing method thereof and a display device are provided. The display panel includes a display area and a frame area surrounding the display area, the display panel includes an array substrate and a color filter substrate opposite to each other, the color filter substrate includes a substrate and first and second support structures arranged on a side of the substrate close to the array substrate, the first support structures are in the display area, and the second support structures are in the frame area; at least part of each first support structure is in contact with the array substrate, and at least part of each second support structure is in contact with the array substrate. The display panel can alleviate or avoid seesaw effect during vacuum assembly and cutting, thereby improving or avoiding display defects of the display panel.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: July 19, 2022
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wei Cao, Yupeng Wang, Jianjun Wang, Jiliang Zhang, Yuting He, Bingyue Wang
  • Patent number: 11391994
    Abstract: An adhesive, a display panel and a manufacturing method thereof, and a display device are provided. The adhesive includes a base bonding material and a light-shielding particle, and the light-shielding particle includes a degradable coating layer and a light-shielding material wrapped by the degradable coating layer.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: July 19, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Anxin Dong, Haibin Yin
  • Patent number: 11392817
    Abstract: Smartcards with metal layers manufactured according to various techniques disclosed herein. One or more metal layers of a smartcard stackup may be provided with slits overlapping at least a portion of a module antenna in an associated transponder chip module disposed in the smartcard so that the metal layer functions as a coupling frame. One or more metal layers may be pre-laminated with plastic layers to form a metal core or clad subassembly for a smartcard, and outer printed and/or overlay plastic layers may be laminated to the front and/or back of the metal core. Front and back overlays may be provided. Various constructions of and manufacturing techniques (including temperature, time, and pressure regimes for laminating) for smartcards are disclosed herein.
    Type: Grant
    Filed: August 29, 2020
    Date of Patent: July 19, 2022
    Assignee: AMATECH GROUP LIMITED
    Inventors: Mustafa Lotya, David Finn, Darren Molloy
  • Patent number: 11394013
    Abstract: A display panel with light-emitting layer, a display device and a manufacturing method of a display panel are provided. The display panel includes: a substrate, including a plurality of sub-pixel regions; a light-emitting layer, disposed in each of the sub-pixel regions; a light transmitting layer disposed on a surface of the light-emitting layer away from the substrate, and a surface of the light transmitting layer away from the light-emitting layer is a curved surface recessed towards the light-emitting layer.
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: July 19, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tao Wang
  • Patent number: 11391989
    Abstract: A light emitting apparatus, a method of adjusting a light emission spectrum thereof, a backlight module and a liquid crystal display apparatus. The light emitting apparatus includes a light source and a color filter layer on a light exiting side of the light source. The color filter layer includes color filters of at least two colors arranged in an array, and the color filter layer is configured to have different transmissions to light of the at least two colors in white light emitted from the light source.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: July 19, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Donglong Lin, Peng Wu, Zeyuan Tong, Fujian Ren, Wenyang Li, Bin Long, Zhipeng Zhang, Dong Cui, Rui Han, Qing Ma
  • Patent number: 11387262
    Abstract: This application discloses a display panel and a display device. The display panel includes a first metal layer, an insulation layer is formed on the first metal layer, a second metal layer is formed on the insulation layer, and a width of the first metal layer is different from a width of the second metal layer.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: July 12, 2022
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Jia-Ren Lin
  • Patent number: 11385512
    Abstract: To form a sufficiently large storage capacitor, a liquid crystal display device includes a liquid crystal display panel having a first substrate, a second substrate, and a liquid crystal held between the first substrate and the second substrate, the liquid crystal display panel having multiple pixels arranged in matrix. The first substrate has, in a transmissive display area provided in each of the pixels, a laminated structure containing a first transparent electrode, a first insulating film, a second transparent electrode, a second insulating film, and a third transparent electrode which are laminated in this order. The first transparent electrode and the second transparent electrode are electrically insulated from each other and together form a first storage capacitor through the first insulating film, and the second transparent electrode and the third transparent electrode are electrically insulated from each other and together form a second storage capacitor through the second insulating film.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: July 12, 2022
    Assignees: JAPAN DISPLAY INC., PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
    Inventors: Tohru Sasaki, Takahiro Ochiai
  • Patent number: 11372277
    Abstract: A first organic insulating film is arranged on a first substrate in a circumference area outside an active area. A mounting portion is located in the circumference area for mounting a signal source. A second organic insulating film is formed on a second substrate in the circumference area so as to face the first substrate. The second substrate exposes the mounting portion. A seal material is arranged between the first organic insulating film and the second organic insulating film to attach the first substrate and the second substrate. A resin layer is arranged between the first organic insulating film and the second organic insulating film in the circumference area, and formed in a rectangular frame shape including four linear ends. An end along the mounting portion is formed broadly than other ends.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: June 28, 2022
    Assignee: Japan Display Inc.
    Inventor: Atsuko Oono
  • Patent number: 11347118
    Abstract: A liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer, a first polarizer plate, and a second polarizer plate. The first substrate includes a first dielectric substrate, a first electrode, a second electrode, and a first alignment film. The second electrode includes a plurality of slits and a conductive portion. The second substrate includes a second dielectric substrate and a second alignment film. The first substrate further includes a resin layer disposed between the second electrode and the first alignment film. The resin layer within the plurality of slits is as thick as or thicker than the second electrode. The plurality of slits are filled with the resin layer. A difference in height between the resin layer over the conductive portion of the second electrode and the resin layer within the plurality of slits of the second electrode is 10 nm or more.
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: May 31, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Akira Sakai, Masahiro Hasegawa, Miho Yamada, Yuichi Kawahira, Koji Murata, Kiyoshi Minoura
  • Patent number: 11347113
    Abstract: The electronic device includes a first substrate, a second substrate, a first support member, a planarization layer, and an alignment layer. The second substrate is opposite to the first substrate. The first support member is disposed in the peripheral region and located between the first substrate and the second substrate. The planarization layer is disposed on the first substrate and has a first portion and an opening. The first portion is disposed between the opening, and the first support member and the first portion are overlapped in a normal direction of the first substrate. The alignment layer is disposed on the planarization layer. The alignment layer on the first portion has a first thickness. The alignment layer in the opening has a second thickness. The first thickness is greater than or equal to zero and less than the second thickness.
    Type: Grant
    Filed: September 26, 2020
    Date of Patent: May 31, 2022
    Assignee: Innolux Corporation
    Inventors: Shu-Han Yang, Hui-Min Huang, Chia-Min Yeh
  • Patent number: 11338499
    Abstract: A substrate and a method for producing the same are disclosed herein. In some embodiments, a substrate includes a base layer, a black layer formed on the base layer, and column spacers formed on the black layer, wherein a loss rate of spacers measured by a peel test is 15% or less. The substrate can have excellent adhesiveness of the spacer to the base layer or the black layer and ensuring appropriate darkening properties. The method can effectively produce such a substrate without adverse effects such as occurrence of foreign materials without separate treatment such as heat treatment.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: May 24, 2022
    Inventors: Cheol Ock Song, Seung Heon Lee, Ji Young Hwang, Han Min Seo, Nam Seok Bae, Jin Woo Park, Jung Sun You
  • Patent number: 11342502
    Abstract: A method of preparing a thin film and a method of manufacturing a display device are disclosed. The method of preparing a thin film includes the following steps: providing a substrate having a film formation region and a non-film formation region surrounding the film formation region; forming a gas precursor repellent layer in the non-film formation region; and depositing a gas precursor on the film formation region by atomic deposition to form the film. The method of preparing a film and the method of manufacturing a display device of the present invention can effectively achieve the effect of limiting the boundary of the film by forming the gas precursor repellent layer in the non-film formation region, and finally eliminate the problem of boundary epitaxial caused by atomic deposition.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: May 24, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yazhou Li, Gaozhen Wang
  • Patent number: 11320683
    Abstract: According to one embodiment, a display device includes a first substrate including an electrode, a second substrate including a substrate edge, a transparent conductive film including an extended portion, an optical element adhered to the transparent conductive film, and a connecting member. The connecting member is in contact with the substrate edge and electrically connects the electrode and the extended portion. The optical element includes a penetration portion. The penetration portion and the connecting member are arranged in a direction intersecting an extending direction of the substrate edge.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: May 3, 2022
    Assignee: Japan Display Inc.
    Inventors: Yoshikatsu Imazeki, Yoichi Kamijo, Yoshihiro Watanabe, Koichi Miyasaka, Shuichi Osawa
  • Patent number: 11320707
    Abstract: The present disclosure provides a display panel, a display device, and a liquid crystal display. The display panel includes a first substrate, a second substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The second substrate includes sequentially stacked a basal substrate layer of a array substrate, a gate electrode insulating layer, a color resist layer, a protective layer, and a pixel electrode layer. The color resist layer includes a first color resist, a second color resist, and a third color resist, and a thickness of the third color resist is less than a thickness of the first color resist or a thickness of the second color resist.
    Type: Grant
    Filed: December 25, 2018
    Date of Patent: May 3, 2022
    Assignee: HKC CORPORATION LIMITED
    Inventor: Yanna Yang
  • Patent number: 11320702
    Abstract: An embodiment of the present invention discloses a display substrate and a display panel. The display substrate includes a plurality of first display portions each of which is disposed in a gap between adjacent two of first limiting portions; a plurality of second display portions each of which is disposed in a gap between adjacent two of second limiting portions. The gap between the adjacent two first limiting portions is greater than the gap between the adjacent two second limiting portions. A difference between a height of a top of each of the second display portions and a height of a top of each of the first display portions is less than a predetermined difference.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: May 3, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jianlong Huang, Zhandong Zhang
  • Patent number: 11314115
    Abstract: An array substrate, a manufacturing method of the same, a display panel and a display device are provided. The array substrate includes a display region and a peripheral region around the display region, a photosensitive layer is in the display region and a peripheral circuit is in the peripheral region. The array substrate further includes an alignment film covering the photosensitive layer and the peripheral circuit. The array substrate further includes an insulating layer between the peripheral circuit and the alignment film. The alignment film is a photo alignment film, and the insulating layer is configured to absorb and/or reflect an alignment light adopted for performing photoalignment to obtain the alignment film.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: April 26, 2022
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yang Xie, Weixin Meng, Jian Guo
  • Patent number: 11309357
    Abstract: The present disclosure provides a pixel structure, a mask and a display device. The pixel structure includes a number of pixel groups arranged in an array. Each of the pixel groups includes a first pixel sub-group and a second pixel sub-group disposed adjacent to each other in a first direction and misaligned with each other in a second direction perpendicular to the first direction. The first pixel sub-group and the second pixel sub-group include sub-pixel groups of three different colors including a first sub-pixel group, a second sub-pixel group, and a third sub-pixel group. Each sub-pixel group includes four sub-pixels of a same color, and the sub-pixel groups of a same color are alternately arranged in a regular manner.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: April 19, 2022
    Assignee: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD.
    Inventors: Jun Yu, Xiaoxu Hu, Xin Ye
  • Patent number: 11302752
    Abstract: Provided are a display panel and a display apparatus. The display panel includes: a substrate and a plurality of light filters of different colors disposed on the substrate, the light filter including a plurality of sub-light filters arranged in an array, so that when the display panel is in a screen-off state, light emitted from the light filters of different colors is mixed to form white light.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: April 12, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Shuo Huang
  • Patent number: 11287684
    Abstract: A display panel includes a first substrate, a second substrate, active switches, pixel electrodes, a color filter layer, a light-obstructing layer, a control chip and at least one photosensor. The second substrate is disposed opposite to the first substrate. The active switches are disposed on the second substrate, and each of them comprises an electro-conductive channel. The pixel electrodes are disposed on the second substrate and coupled to the active switches. The color filter layer is disposed on the second substrate and corresponded to the pixel electrodes. The light-obstructing layer is disposed on the first substrate and disposed in correspondence with the electro-conductive channel. The light-obstructing layer covers the electro-conductive channel and is made of an electro-conductive material. The control chip is coupled to the light-obstructing layer. The photosensor is disposed between the first substrate and the light-obstructing layer.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: March 29, 2022
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: En-Tsung Cho
  • Patent number: 11289631
    Abstract: A light-emitting device having four or more LEDs arranged on a substrate includes a first color conversion layer and a second color conversion layer. The first color conversion layer is continuously formed on light exit surfaces of two or more of the LEDs, and the second color conversion layer is continuously formed on light exit surfaces of two or more of the LEDs that are different from the LEDs on which the first color conversion layer is formed.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: March 29, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tsuyoshi Ono, Hiroaki Onuma
  • Patent number: 11289544
    Abstract: A display device is provided. A display device includes a plurality of pixels arranged in a row axis and in a column axis that intersects the row axis, a first substrate on which a light-emitting element disposed in each of the pixels is disposed, a second substrate which faces the first substrate, and a first wavelength conversion pattern disposed on the second substrate in a first pixel column and which converts wavelength of light emitted from the light-emitting element. The first wavelength conversion pattern includes a first main pattern part arranged in a stripe fashion along the column axis and a protruding pattern part projected from the first main pattern part toward at least one of first and second directions of the row axis.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: March 29, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun Kyu Joo, Keun Chan Oh, Byung Chul Kim, In Ok Kim, In Seok Song, Gak Seok Lee, Chang Soon Jang
  • Patent number: 11289515
    Abstract: For the purpose of changing, in an external connection terminal of a display device that transmits a plurality of polarities of the image signals, the positions of pairs of electrodes to which signals of different polarities are applied, a display device includes a display area having a plurality of pixels, a wiring area in which a plurality of wires corresponding to the plurality of pixels are arranged, and an external connection terminal having a plurality of electrodes to which image signals to be transmitted to the plurality of wires are applied. In the display device, polarities of the image signals transmitted to wires adjacent to each other among the plurality of wires are different from each other in the display area. In the display device, the order of arrangement of the plurality of electrodes is different from the order of the image signals transmitted to the plurality of wires of the display area.
    Type: Grant
    Filed: May 28, 2018
    Date of Patent: March 29, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masaki Nakayama, Gen Nagaoka, Takashi Matsui
  • Patent number: 11280943
    Abstract: The present utility model discloses a color film substrate and a display panel. A first color resist, a second color resist, and a third color resist are respectively coated to a first attachment region, a second attachment region, a the third attachment region; the second color resist is further coated on the first color resist located on the first attachment region; the spacer layer includes a first spacer and a second spacer, the first spacer is coated on the color resist layer of the first attachment region, and the second spacer is partially coated on the color resist layer of the second attachment region or the third attachment region, the first spacer having the same thickness as the second spacer; the height of the upper surface of the first spacer from a substrate is higher than the height of the upper surface of the second spacer from the substrate.
    Type: Grant
    Filed: February 17, 2019
    Date of Patent: March 22, 2022
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Chuan Wu
  • Patent number: 11271050
    Abstract: A display apparatus includes an organic light-emitting device (“OLED”) substrate which generates and emits a first light, and an encapsulation layer to which the emitted first light from the OLED substrate is incident and from which a second light is emitted. The encapsulation layer includes an inorganic material layer and an organic material layer alternately stacked with each other. The organic material layer includes a plurality of color control elements which color-convert the emitted first light incident to the encapsulation layer. The plurality of color control elements may include a first and second color control element including a first and second quantum dot with which a color of the emitted first light incident to the encapsulation layer is converted to a first and second color, respectively.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: March 8, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sunghun Lee, Byoungki Choi, Seungyeon Kwak, Jiwhan Kim
  • Patent number: 11262632
    Abstract: An active switch array substrate comprises: a first substrate; a first insulation layer disposed on the first substrate; a plurality of active switches disposed on the first insulation layer; a first planarization layer disposed on the first insulation layer and covering the active switches; a color filter layer disposed on the first planarization layer, the color filter layer including a plurality of first photoresist layers, second photoresist layers and third photoresist layers parallel to each other; a plurality of dummy bumps, wherein a material of the dummy bumps is the same as a material of the third photoresist layers, and the dummy bumps are disposed above the first photoresist layers and the third photoresist layers; and a pixel electrode layer disposed on the color filter layer and covering the dummy bumps.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: March 1, 2022
    Assignee: HKC CORPORATION LIMITED
    Inventor: Beizhou Huang
  • Patent number: 11256126
    Abstract: The present disclosure provides a liquid crystal display panel, including a first substrate, a second substrate, a plurality of reactive monomers, and a plurality of liquid crystal monomers. The first substrate is formed with a color resist layer and a driving circuit layer, and includes a first alignment film and a first reactive monomer layer. The second substrate is disposed opposite the first substrate and formed with a black matrix layer, and includes a second alignment film and a second reactive monomer layer. The reactive monomers are disposed between the first substrate and the second substrate. The liquid crystal monomers are filled among the reactive monomers, wherein the black matrix layer is formed with through holes in a non-display area of the liquid crystal display panel.
    Type: Grant
    Filed: January 2, 2020
    Date of Patent: February 22, 2022
    Inventor: Baolin Chi
  • Patent number: 11254874
    Abstract: The present invention relates to liquid-crystalline media comprising one or more chiral compounds and one or more compounds selected from the group of compounds of formulae I, II and III, in which the parameters have the meaning indicated in claim 1, and to components comprising these media for high-frequency technology, in particular phase shifters and microwave array antennas.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: February 22, 2022
    Assignee: Merck Patent GmbH
    Inventors: Michael Wittek, Dagmar Klass
  • Patent number: 11256123
    Abstract: A display panel and a terminal device including the same are provided. The display panel includes a touch screen configured to present display content, a supplementary light module that includes a light emitting element configured to provide supplementary light and a light guide element configured to guide the supplementary light to the touch screen, and a display substrate configured to form the display content. The display panel can increase brightness of the touch screen, so that users can see the display content on the display panel clearly even in a dim environment, which improves universality of reflective liquid crystal displays.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: February 22, 2022
    Assignee: JRD Communication (Shenzhen) LTD.
    Inventors: Jitao Ma, Panwei Xiong, Ping Chen, Yafang Xi
  • Patent number: 11249339
    Abstract: A display device having a mirror function includes a first substrate, a light emitting portion, a second substrate, a mirror portion, and a cover layer. The light emitting portion is on a surface of the first substrate. The mirror portion is on a surface of the second substrate facing the first substrate and has an opening overlapping the light emitting portion. The cover layer is on a surface of the second substrate and covers a portion of the opening.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: February 15, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Changsoo Kim, Euitae Kim
  • Patent number: 11248170
    Abstract: The present invention provides a polymerizable compound with a structure of general formula I, which exhibits none or few of the problems existing in the prior art. A polymerizable liquid crystal composition comprising the polymerizable compound has good stability and higher reliability, and is embodied by having a smaller pretilt angle change and higher voltage holding ratio. Also, there is little or no image sticking effect in a liquid crystal display device comprising the polymerizable liquid crystal composition. The present invention also provides a method of synthesizing a polymerizable compound with a structure of general formula I. The present invention further provides a polymerizable liquid crystal composition comprising the polymerizable compound and a liquid crystal display device comprising the polymerizable liquid crystal composition.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: February 15, 2022
    Assignee: Jiangsu Hecheng Display Technology Co., Ltd.
    Inventors: Wenming Han, Wenyang Ma, Shuang Xu, Haibin Xu
  • Patent number: 11237438
    Abstract: The present disclosure relates to a display substrate. The display substrate may include a base substrate, a light filtering layer on the base substrate, a plurality of light blocking grooves in the light filtering layer, and a plurality of light blocking strips in the plurality of light blocking grooves respectively. The plurality of light blocking strips may be configured to block light from viewing angles outside a visible range of the display substrate.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: February 1, 2022
    Assignees: FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xinmao Qiu, Zongxiang Li, Jin Wang, Yao Liu, Min Zhou, Hao Cheng, Zuwen Liu
  • Patent number: 11233101
    Abstract: The present disclosure provides a display substrate, a display device, and a method manufacturing of a display substrate, pertaining to the field of display devices. The display substrate includes a base substrate and a pixel defining layer. The pixel defining layer divides the base substrate into a plurality of sub-pixel regions. An orthographic projection of the at least one sub-pixel region on the base substrate is substantially quadrangular. The first side and the third side of the quadrilateral are inwardly recessed toward each other.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: January 25, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Dejiang Zhao, Yang Yang, Xiaojie Pan
  • Patent number: 11221526
    Abstract: According to one embodiment, a display device includes a first substrate and a second substrate. The first substrate includes a first area including a display area, a second area adjacent to the first area, and an organic insulating layer formed over the first area and the second area. The second substrate includes a substrate end located in a border between the first area and the second area, and overlaps the first area. The organic insulating layer includes a first groove portion surrounding the display area and formed in a circular shape along an outline of the first substrate. The first groove portion includes a first sidewall and a second sidewall. The first and second sidewalls intersect the substrate end in a plan view.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: January 11, 2022
    Assignee: JAPAN DISPLAY INC.
    Inventors: Gen Koide, Akihiro Ogawa
  • Patent number: 11217633
    Abstract: An organic light-emitting diode (OLED) panel and a manufacturing method thereof are provided, wherein a color filter layer of the OLED panel includes a first color filter layer, a second color filter layer, a third color filter layer, and a reflective layer disposed between the first color filter layer, the second color filter layer, and the third color filter layer, wherein material of the reflective layer is same as material of the first color filter layer. Because the first color filter layer and the reflective layer are the same material, consumable cost of the mask is saved.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: January 4, 2022
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Wenliang Gong, Wenxu Xianyu
  • Patent number: 11215879
    Abstract: A display device according to an exemplary embodiment includes: a plurality of transistors disposed on a substrate; a plurality of pixel electrodes electrically connected to the plurality of transistors; a plurality of first color filters, a plurality of second color filters, and a plurality of third color filters disposed between the plurality of transistors and the plurality of pixel electrodes; and a plurality of main spacers and a plurality of sub-spacers disposed on the pixel electrode, wherein the plurality of main spacers and the plurality of sub-spacers are disposed to overlap selected portions of the plurality of first color filters in a plan view, respectively, and not to overlap the plurality of second color filters and the plurality of third color filters in a plan view.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: January 4, 2022
    Inventors: Je Hyeong Park, Dong Lim Kim, Wan Namgung, Ji Eun Park, Dong Kyun Seo, Min Hee Son, Hyoung Wook Song, Beom Hee Han, Ki Pyo Hong
  • Patent number: 11218672
    Abstract: According to one embodiment, a display device including a first substrate including an organic film, a first recess and a second recess formed in the organic film, and a first projection having the organic film, a second substrate, and a sealing member located in a second area around a first area, and bonding the first substrate and the second substrate together, wherein the first substrate includes a mounting portion, the first recess and the second recess extend in the second area, a first leading end portion of the first recess is separated from a second leading end portion of the second recess, and the first projection, the first recess and the second recess overlap the sealing member.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: January 4, 2022
    Assignee: JAPAN DISPLAY INC.
    Inventors: Tomokazu Ishikawa, Hitomi Hasegawa, Masaru Nakakomi
  • Patent number: 11215865
    Abstract: A color filter substrate, a manufacturing method thereof, and related devices. The color filter substrate includes: a base plate; a color filter layer on the base plate; and a transparent layer on a side of the color filter layer away from the base plate. Specifically, the color filter layer includes multiple rows of color resist units, wherein color resist units in each row have at least three different colors. In addition, a first distance between a surface of the base plate close to the color resist units and a surface of the transparent layer away from the color resist units may be different for color resist units of different colors.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: January 4, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xiaojun Wu, Zijing Zhang
  • Patent number: 11181767
    Abstract: A semiconductor apparatus according to an embodiment of the present disclosure, in a plan view with respect to the primary face of a semiconductor device, includes at least a part of an outer edge of a color filter layer being located between an effective pixel region and a joining member, and the distance from the effective pixel region to at least a part of the outer edge is greater than the distance from the color filter layer to a light transmission plate in the effective pixel region.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: November 23, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hidemasa Oshige